Rocking grate.



210.732,722. 11M-bmw JULY 7,1923.,

E; F. EDGAR. l RocKmG GRATE.

- APPLIUATION FILED-JAN. B6, 1801. I \v N0 MODEL. 2 SHEETS-SHEET 2.

waag@ g l W A @Mw zo end View of lsin Lgirder.

'Patented ,Tilly "i, 1.903.

nTnniT @TT-ion.

ELLIS F. EDGAR, OF .VOODBRIDGE, NEW JERSEY.

nomine Genre.

SPECIFIGATELON forming part of Letters Patent No. 332,722,'dated. July '7, 1903. Application filed January 26,1901. Serial No. 44,775. l (No model.)

to with reotnnglilnr graiesections removed to show shaking system. Fig. 2 is a. side elevation of Fig. l, pnl-t in fnll and pnrt in section. Fig. 3 is a plan View of one of the rectangular irrntesections. Fig. i is :t side elevntion of x5 one of the rectnnggnlnr grate-Sections, part in full nml part in section. Fig. 5 is an cnil elevation oi one of the rectangular grnte-sections, part i full and :mrt in section. Fig. 6 is an 'enti View of n T-girder. Fig. 7 is an Fig. 8 is a plan View showing center T-girder 14, bearing` bers 12, anti end, girders 12'.

The novelty in this grate lies in the construction of. the rectangular grate-section,

z5 (shown in Figs. 3, 4, and 5 in deteil,)fre1ne l,

short gratehnm 5, combination grate-bar and shakingnrm 4, strengthening and supporting: bei' 2, ofset Shoulder Y A freine made in this manner will expand and contract witl1- 3.o out cracking and I have found to be very dny rnble. In e very iong fire-box I have found it of greet advininge to fire from each end and to operate .,lihpiehnking' of the rrete-seotions from eaolifen'd. In that cese the grate- 35 bearing bars 12 ere supported on the outside in girders 12', as shown in Figs. 1 und 2; but ast would not do to have bearing-bars 1:2 run the' Whole length of n long furnace, :ts they would warp and crack with the weight 4o in the center, so would have them go only half the length Aind have a. gir-der 14, :m end View of which is shown in Fig. il, run ncross the centerof the furnace for supporting henring-bnrs 12, 1n the `conter of tir.A 'nrnnco 'bearing-bare l2, :is shown in Fig'.

this girdor 14, end view in Fig'. 6, is made on beth sides of suitable shape for Supporting Having described my invention, whntl claim :is new, and Wish to secure by Rettore Patent, is-

'l'. Agi-nte-bnreoinpri ingo strengthening, bnr provided el its ends with enitehe jour nale, a fnol-eripportiwr gra-te formed integrally with ami snm.. rien Tirer". seid hor et the ends thereof, eniil ggrnie being, spnoed'rom 'said hm' intermediate its ends nml eomprieing longitudinal. eide here anni transverse grate oars connect-ino; snit?. longitndinei eide here and spaced rom one another, end ny shakingbare connecting .artid longitudinal eide here,

and spaced from one mother, emi :t shakingarm formed integrnlly with. 'the strengthening bnr and extending nbove the seme to provide :al

fuel-hearing surface, ne eet forth emi heel-ingrn here if. for supporting 'the same rind end giriler 12' for eupporting enter endof bearinghers 1;) sind center T-girder ifi for supporting inneronclof l eming-lonrs 12,tilleuhstantnlly ne eet forth.

Signed et New York, in the connty of New Yorkenii State of New Yorin', this 24th day of Jennery, A. Il. lllOl.

Entre r. wenn.

XV itn eases:

XV. L. lllllnnnv, L. E. STUTH. 

